Twisting machine



July 5, 1932. G, H, G|| 1- |GAN 1,865,897

fr wIsTING MACHINE Filed sept. 18, 1931 "5 Sheets-Sheet 1 TwIsTING MACHINE 6 Sheets-Sheet 2 Filed sept. 18. 1931 July 5, 1932. G. H. GILLIGA 1,865,897'

TWISTINGMACHINE Filed Sept. 18, 1951 3 Sheets-Sheet 5 @0761 /x @zii/a7@ #ZJ im TW Patented July` 5, 1932 uNrrlazD STATES PATENT OFFICE GEORGE E. GILLIGAN, OF PROVIDENCE, RHODE ISLAND, ASSIGN'OR T0 U. S. vIR'II'G' TRAVELER COMPANY, OF PROVIDENCE, RHODE ISLAND, A CORPORATION F vRHODE ISLAN D TWISTING MACHINE Application led September 18, 1931.. Serial No. 563,567.

My invention relates to twisting machines or frames, and more particularly to the means therein for` moistening and transversely shaping, smoothing, and setting the ends of fibrous materials.

The bobbins of yarn upon the creel' of a twisting machine are those transferred from the spindles of a lspinning frame or machine. rlhis spun yarn, therefore, varies. in size, weight, and diameter upon the di'erent bobbins because of the uneven roving, uctuation of spindle speed, atmospheric conditions, and the quality of the staple.

In previous twisting machines the several groups of yarn ends, strands or filaments delivered by the creel bobbins to be ultimately formed into twisted cords or'plys were unconned intermediate the twisting or delivery rolls and the ring traveler, with the result that the heaviest strand of each group was by centrifugal force thrown to the outside of the cylindrical form which the cordVv is purposed to assume, thus forming a cord with an external spiral shoulder, and an undesirably rough or irregular contour, rather tihan the desired smooth and uniform cylin- Objects of my invention are to overcome` the above recited disadvantages 'and render` the twisted cord in a compact, uniformly cylindrical, and smooth form, and of even twist throughout its length regardless of the varying sizes of the strands.

Further objects of my invention are to make it unnecessary to employ twisting rolls of expensive non-corrosive materials; to prevent discoloration of the strands; to enable moistening lwithout breaking the strands; and to utilize the moisture in imparting a permanent twist to the strands during their vpassage over the forming rolls.

Additional objects are to enable the twisting in symmetrical form, of ends or strands composed of paper, pul and other fibers, and to provide means or applying emulsions to rayon, silk, and like fibers.

To the above ends primarily my invention consists insuch parts and in such combinations of parts as ,fall within the scope of the appended claims.

1n the accompanying drawings which form a part of this specification,

Figure 1 is a fragmentary front elevation of a twisting frame embodying my invention, Figure 2, a plan view of the same, omitting the Creel,

Figure 3, a fragmentary-section taken on line 3-3 of Figure 2, i

Figure 4, a fragmentary end elevation of one extremity of the framej Figure 5, a plan view of the same showing parts in section,

Figure 6, a section on'line 6 6 of Figure 1, and

Figure 7 an enlarged elevation of one of the grooved rolls, and a fragmentary show.

ing of the adjacent spacing sleeves.

Like reference characters indicate like parts throughout the views.

The framework of my twisting machine includes :the head end 16, foot end 17, deck 18, and the roller beams or beds 19 includ- 'ing the horizontal and depending'portions 20 and 2l respectively. Upon the deck is fixed the common creel 23 whose pins 24 support the spools or bobbins 25 carrying the spun threads or filaments 26. The roll stands 27 of commonl construction include the bottom feed or delivery rolls 28 and top feed or delivery rolls 29. Bars 30 fast to the roll stands carry guide wires 31. The spindle rails 33 support the usual radially adjustable spindles 35 carrying the bobbins 36 upon which the twisted cords are wound, guided by the travelers 39 upon the spinning rings 40 on the ring rails 41. The spindles are driven as usual by the tapes or bands 42 engaging the spindle whirls 43 and the drum or cylinder 44, the latter fast to the cylinder shaft 45 which is driven by the motor 47.

Each bottom roll 28 is, as shown in Figure 6, driven by the cylinder shaft through the usual chain of`gears, "One bottom roll being actuated Vthrough the cylinder shaft gear 50, intermediate gear 52, twist gear 53, jack gear 55, and bottom roll gear 57; and the other bottom roll being driven by the gear through a chain of similar gear respectively 58, 59, 60, and 62, except that between the twolast mentionedgears is interposed, as usual, the intermediate gear 63.

It is in conjunction with the above de- .'slidably embraced by a guide strap 72 fixed by screws 73 to the front of the depending portion 21 of the adjacent roller beam, and provided upon the rear of its lower portion with a series of teeth 74 engaging the teeth 75 of a pinion 76 fixed on a shaft 77 journaled near one extremity in a lug 78 upon the head end 16, and at itsv other end, in a bearing block 79 fast to the foot end 17. Upon its extremity is fastened crank 81, by whose rotationl the trough may be elevated or de pressed for doffing or other purposes. Upon the lower ends of the rods are stop pins 83.

Integral with each trough 68 are rearwardly directed lugs 84 provided with bearing 85 through which loosely passes a rock shaft 87 provided at its outer-end, as shown in Figure 5, with 'a reduced polygonal portion or stub 88. The outer face of one end bearing has an annular series of teeth, corrugations, or a roughened surface 90. A hand wheel 92 with a polygonal bore 93 has a sliding fit upon the stub 88, and is provided with teeth 95 engaging the teeth 90. The wheel 92 is normally held against longitudinal movement on the shaft by a set screw 96. A locking collar 98, adjacent the inn'er face of the last mentioned bearing, is adjustable on the shaft 87 by al set screw 100.

Upon each shaft 87 is mounted a plurality of outwardly directed curved arms 102. Their rear ends have openings 103 through which passes the shaft engaged by set screws 104. Through holes 106 in the outer ends of the arms loosely passes` the shaft 107 in whose ends are diametrical holes l108 to receive removable retaining pins 109 engage# able with the arms 102. Loose upon the shaft are forming rolls 111, provided upon their several peripheral faces with a plurality, in'

this instance, three transversely V-shaped interspaced annular grooves 112, 113 and114 of graduated transverse dimensions to accommodate filament groups of different diameters occasioned by the difference in the number of filaments .constituting each group. Spacing sleeves 116, loose upon'the shaft 107, separate the rolls111 from each other and from the arms 102. The rolls 111 are suspended by the arms 102 in the adjacent trough substantially concentrically thereof with their lower segments submerged in liquid 117.

A series of adjustable thread guides 120 are mounted upon the forward edge of each trough. The several guides are disposed opposite their several respective ro'lls 111. These guides are longitudinally adjustable upon the trough by pins 122 in longitudinal slots 123, andare transversely adjustable by -slidable eyes 124 clamped by pins 125.

In operation, predetermined uniform numbers of strands 26 from the creel bobbins 25 are drawn ,in groups y127 through the guides 31, over the roll 29 and under the rolls 28, thence over the rolls 111 in corresponding grooves, Aand thence through the respective guides 120 to the travels 39 and spindle bobbins 36.

'As each group of filaments that ultimately constitute any particular cordare advancing through a groove of a roll 111, a swirl of the filaments occasioned by the twisting operation of the machine takes place, but the confinement of the groove prevents any centrifugal action upon any especially heav constituent thread, and a smooth and cy indrical cord is produced. Contemporaneously a variable predeterminate degree of moisture, suited for the material being formed, is being1 imparted to the cord as it passes over the ro imperative theforming rolls may be elevated out of contact with the liquid.

It is preferable that the strands be delivered to the forming rolls 111 at an upward inclination relatively to the twister rolls, as thereby a maximum arcuate contact of the strands with the forming roll peripheries is In instances where moistening is notl secured, which enables more effective saturation of the strands.

It is very desirable andpreferable that the strands lbe delivered to the forming .rolls in the moisture imparting trough after passing through the feed rolls and, accordingly, the moisture applying means in my apparatus is therefore arranged between the feed rolls and the spindle.

The forming rolls 111, which are rotated by the friction of the filament groups 127 therewith, carry upwardly a portion of the liquid 117 in which they are partially submerged, and moisten or impregnate the filaments sufficiently to set the twist of the latter. It is not usually desirable to moisten the work to the point of saturation, hence the filaments preferably pass over the top of the rolls and out of direct contact with the liquid.

The degree of moisture imparted to the material is dependent upon the depth of immersion of the forming rolls, and this is controlled by vcircularly adjusting the rod 87 whereby the arms 122 are tilted. The liquid may not be exclusively' for moistening purdegree of immersion of the rolls determines the tint. The liquid ma.` also be of such a nature asto water proo the strands. The circular adjustment of the shaft 87 is performed by loosening the screw 96, and outwardly sliding the hand wheel 92 sufficiently to disengage its teeth 95 from the teeth 90 of the bearing 85. The arms 102 may be then swung with the shaft to any desired angle,

and the hand wheel 92 be returned to reengage the teeth-90, and the screw 96 be reset.

It isnecessary to adjust each series of vforming rolls lon 'tudinally or laterally ofl the machine in ord-11er that the particular roll ,groove in use be in the vertical plane of its corresponding spindle 35. This is simultaneously effected by adjusting the shaft 87 lengthwise of the machine. To do this the screws 100 and 96,01? the collar 98 and wheel 92 are respectively loosened. It is desirable that the thread guides 120 be in vertical alignment with their several corresponding adjustable spindles, hence the former are longitudinally and transversely .adjustable as de scribed.

The machine frame is herein illustrated with twisting mechanism upon both its front and back, but this is not essential.

ll claim 1. In a twisting machine,l a frame, feed rolls carried by the frame, a spindle, means for actuating the rolls, a trough adapted to contain a liquid mounted-upon the frame between the feed rolls and the spindle, and a forming roll in `the trou hk partially immersed in the liquid, said gormingroll provided with a groove for crowding the strands into a substantially cylindrical form across which the strands pass and receive moisture.

2. ln a twisting machine, a frame, feed rolls supported in series longitudinally of the frame, a trough carried by the frame parallel with the rolls and adjacent thereto, a series of rolls supported by the frame eX- tending into the trough and lengthwise thereof, each provided with a plurality of peripheral grooves of varying widths.

3. In a twisting machine, a frame, spindles on the frame, feed rolls carried by the frame, means for actuating the rolls, a trough adapted to contain a liquid mounted upon the frame intermediate the rolls and the spindles, and forming rolls formed with grooves for crowding the strands into a substantially cylindrical form suspended, in the trough adapted to enter the liquid, and thread guides supported by the frame between the forming rolls and the spindles in the transverse planes of the forming rolls and spindles.

d, In a twisting machine, a fame, spindles adjustably mounted on the frame, feed rolls carried by the frame, means for actuating the rolls, a trough adapted to contain a liquid mounted upon the frame intermediate the rolls and the spindles. and forming rolls provided with grooves-for crowding the strands into a substantially cylindrical form sus-A pended in theAsrough adapted to enter the liquid and adjustable vthread guides upon the trough in the transverse planes of the forming rolls and spindles. l

5. In atwisting machine, a roller beam, a spindle rail, spindles upon the rail, a moistening trough, vertically disposed rods upon the bottom of the trough slidably supported .by

the beam, and means carried by the beam for supported by the beam, feed rolls carried by the beam parallel with the trough and adjacent thereto, a shaft supported by the beam in parallelism with the trou h, lateral arms upon the shaft, a second shag: upon the ends of the arms, and formin rolls on the ysecond shaft cooperating with t e feed rolls extending into the trough.

8. ln a twisting machine, in combination with the feed rolls and spindles, of a moistening trough intermediate the rolls and spindles and parallel therewith, bearings upon the trough, a shaft in the bearings, upwardly directed lateral arms upon theshaft extending over the trough, a second shaft supported upon the ends of the arms, forming rolls u on the second shaft cooperating with the eed rolls and spindles extending into the trough,

and spacing sleeves upon'the second shaft between the forming rolls.

9. ln a twisting machine, in combination with the feed rolls and spindles, of a moistening trough intermediate the rolls and spindles and parallel therewith, rearwardly `directed bearings upon the trough, a longitudinally slidable sha-ft in the hearings, longitudinally adjustable locking members upon the shaft engaging opposite sides of. one of the hearings for retaining the shaft against longitudinal movement, arms fixed to the shaft extending to the trough, a second shaft upon the arms, and forming rolls upon the second shaft extending into the trough and cooperating with the feed rolls and spindles.

l0. In a twisting machine, feed rolls, spindles, a moistening trough intermediate the rolls and spindles and parallel therewith, interspaced bearings upon the trough, a circularly adjustable rock shaft loosely mounted in the bearings, an annular series of teeth upon the side of one of the-bearings, a longitudinally slidable locking member upon the shaft provided with an annular series of teeth M9 engageable with the first series of teetlv to maintain the shaft in circularly adjusted position, arms fast to the shaft, a second shaft connecting the arms, and forming rolls upon the second shaft movable into the trough and cooperating with the feed rolls and spindles.

11. In a twisting machine, the combination with the roller beam, the spindle rail, and the spindles carried thereby, of a longitudinally disposed trough supported by the beam, 4 thread guides upon the front of the trough adapted to guide strands to the spindles, longitudinal feed rolls supported by the beam in the rear of the trough including a bottom roll in a plane below the top of the trough, rearwardly directed bearings upon the back ofthe trough, a shaft in the bearings, lateral arms upon the shaft,a shaft upon the arms parallel with the trough, and forming rolls upon the second shaft with their lower portions within the trough, and with their upper portions exposed to receive thereover the strands delivered at an upward inclination from the feed rolls.

12. In a twisting machine, a frame, feed rolls carried by the frame, means for actuating the rolls, a trough adapted to contain a liquid mounted upon the frame adjacent the rolls and parallel therewith, and a forming roll suspended in the trough adapted to enter the liquid, and provided with a peripheral groove adapted to receive strands delivered from the feed rolls out of direct contact with the liquid.

13. In a twisting machine, a frame, a spindle for receivingthe strands, a feed roll for feeding the strands to the spindle, and moisture applying means arranged between the roll and spindle, including a forming roll provided with a groove for crowding the strands into a substantially cylindrical form, across which the strands pass and receive moisture from the moistureapplying means;

14. In a twisting machine, a frame, a spindle adapted to receive strands, a feed roll for feeding the strands to the spindle, a recepv tacle for containing liquid arranged between the roll and spindle, and a forming roll provided with a groove for crowding the strands into a substantially cylindrical form across which the strands pass and receive moisture.

15. In a twisting machine for twisting together a plurality of strands, a frame, a series of feed rollssupported upon the frame adapted to advance the strands, means for driving the rolls, a spindle rail and spindles carried thereby, and -inoisture applying.

means arranged between the rolls and spindles, including a series of forming rolls each provided with a groove for crowding the strands into a substantially cylindrical form across which the strands pass and receive moisture.

16. In a twisting machine for twisting together a plurality of strands, a frame, feed rolls supported upon the frame adapted to advance the strands, means for driving the rolls, a spindle, and a shaping or forming.

cylindrical form across which the strands pass and receive moisture.

In/ testimony whereof I havev affixed my signature. GEORGE H. GILLIGAN. 

